Re: [microblaze-uclinux] Ethernet link loss - External MAC/PHY selection

["Jim Law" <jlaw@xxxxxxxxxxxxx>]

Hi Tim,

Will probably be using a SMSC LAN...9115, or one in that family 
(LAN9115-LAN9118).  The LAN91C111 is being obsoleted, I've been told.

Jim Law
----- Original Message ----- 
From: "Tim Rosario" <trosario@vutek.com>
To: <microblaze-uclinux@itee.uq.edu.au>
Sent: Friday, July 22, 2005 2:01 PM
Subject: RE: [microblaze-uclinux] Ethernet link loss


> Hey Jim, just curious, have you selected a MAC/PHY combo yet? I've been
> thinking about doing this for the same reason but haven't yet. All the
> combo's I have found want a PCI interface which chews up just as much
> logic...
>
> --Tim
>
> -----Original Message-----
> From: owner-microblaze-uclinux@itee.uq.edu.au
> [mailto:owner-microblaze-uclinux@itee.uq.edu.au] On Behalf Of Jim Law
> Sent: Friday, July 22, 2005 12:34 PM
> To: microblaze-uclinux@itee.uq.edu.au
> Subject: Re: [microblaze-uclinux] Ethernet link loss
>
> Haven't licenced the core - not planning on using it in the final
> product:
> will use external MAC/PHY to save room in FPGA for my logic.  I'll have
> to
> check if I did a full re-build of the bitstream before my last download
> to
> the board, but this sounds like a reasonable explanation.
>
> Thanks,
> Jim
>
> ----- Original Message ----- 
> From: "David Banas" <dbanas@nuhorizons.com>
> To: <microblaze-uclinux@itee.uq.edu.au>
> Sent: Friday, July 22, 2005 10:18 AM
> Subject: RE: [microblaze-uclinux] Ethernet link loss
>
>
>> Jim,
>>
>> Do you have a license for the Ethernet MAC core? If not, then this is
> the
>> behavior one would expect. The evaluation version of that core (which
> is
>> what ships with EDK) is rigged to stop working after some amount of
> time
>> after configuration and there have been reports (Xilinx doesn't
> actually
>> say
>> how long) that the timeout time is on the order of hours.
>>
>> I used a licensed version, in order to compile the "download.bit"
> file,
>> which I included in the archive. So, if you're using that file and
>> observing
>> this then something else is going on.
>>
>> Regards,
>>
>> David Banas
>> Field Applications Engineer
>> Nu Horizons Electronics Corp.
>> 2070 Ringwood Avenue
>> San Jose, CA 95131
>> (408)434-0800 - office
>> (415)846-5837 - cell
>> http://www.nuhorizons.com
>>
>>> -----Original Message-----
>>> From: owner-microblaze-uclinux@itee.uq.edu.au
> [mailto:owner-microblaze-
>>> uclinux@itee.uq.edu.au] On Behalf Of Jim Law
>>> Sent: Friday, July 22, 2005 6:33 AM
>>> To: microblaze-uclinux@itee.uq.edu.au
>>> Subject: [microblaze-uclinux] Ethernet link loss
>>>
>>> Hi all,
>>>
>>> Running uClinux on a NuHo S3-2000 board.  Ethernet port connected to
> a
>>> router that is doing DHCP serving to give out an IP address
>>> (192.168.10.3).
>>>
>>> On kernal boot, I get a
>>>
>>>      "Jan  1 00:01:34 dhcpcd[33]: infinite IP address lease time.
>>> Exiting"
>>>
>>> message from the DHCP client daemon in uClinux, even though the
> router is
>>> setup to give out a 1-hour lease.
>>>
>>> System stays connected while I watch it (>> 1hour) , but sometime
>>> overnight,
>>> gives
>>>
>>>      "eth0: Link carrier lost.".
>>>
>>> Changing the router to give 1 week leases doesn't change anything.
> DHCP
>>> server reports that the IP address is still active.  Link light on
> router
>>> is
>>> off.
>>>
>>> Thot's??
>>>
>>> Jim Law
>>> Iris Power
>>>
>>>
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>>>
>>>
>>>
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